Home / 207,611.25-286,503.54-112,117.95

Finding the Fourth Proportional to 207,611.25, 286,503.54 and 112,117.95

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Solution

The fourth proportional to 207,611.25, 286,503.54 and 112,117.95 is: 154,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,611.25 : 286,503.54 = 112,117.95 : x
  2. Step 2: Convert to fraction form
    207,611.25/286,503.54 = 112,117.95/x
  3. Step 3: Cross multiply
    207,611.25x = 286,503.54 × 112,117.95
  4. Step 4: Simplify right side
    207,611.25x = 32,122,189,572.54
  5. Step 5: Solve for x
    x = 32,122,189,572.54/207,611.25
  6. Step 6: Final answer
    x = 154,722.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.